Doctor profile · Federal record

Dr. Siamak Malek, M.D.

Internal Medicine Physician · Boston, MA

  • NPI 1174716286
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
165 Cambridge St, 5Th Floor
Boston, MA 021142783
(617) 726-4900

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
April 7, 2017
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #MD434166

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174716286. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
859
Distinct HCPCS
10
Medicare allowed
$82,424
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 232 158 $139
36415 Insertion of needle into vein for collection of blood sample 189 165 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 113 103 $99
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 108 108 $142
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 13 $84
99443 Telephone medical discussion with physician, 21-30 minutes 34 28 $140
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 27 23 $57
G0008 Administration of influenza virus vaccine 21 20 $34
90662 Influenza vaccine split virus, preservative free 19 18 $71
99215 Established patient office or other outpatient visit, 40-54 minutes 18 17 $187

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,871
Patients
569
Total drug cost
$114,441
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 457 133 $10,551
Amlodipine Besylate Generic 207 65 $1,530
Lisinopril Generic 157 55 $1,445
Metoprolol Succinate Generic 107 34 $3,097
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 103 32 $1,005
Levothyroxine Sodium Generic 98 28 $1,272
Escitalopram Oxalate Generic 94 22 $1,316
Mirtazapine Generic 92 21 $2,685
Metformin Hcl Er (Metformin Hcl) Brand 90 30 $1,793
Omeprazole Generic 90 32 $2,134

Frequently asked questions

Auto-generated from federal data
What is Dr. Siamak Malek's medical specialty?
Dr. Siamak Malek practices Internal Medicine Physician in Boston, MA.
Where does Dr. Siamak Malek practice?
Dr. Siamak Malek practices at 165 Cambridge St, Boston, MA 021142783. Office phone: 6177264900.
What is Dr. Siamak Malek's NPI?
Dr. Siamak Malek's National Provider Identifier (NPI) is 1174716286, issued by NPPES.
What procedures does Dr. Siamak Malek commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.